diff --git a/build.sbt b/build.sbt
index 731e2f9..ca80d75 100644
--- a/build.sbt
+++ b/build.sbt
@@ -3,14 +3,17 @@
 ThisBuild / organization := "works.iterative"
 ThisBuild / versionScheme := Some("strict")
 
-inThisBuild(List(
-	publishTo := {
-	  val base = "https://dig.iterative.works/maven/"
-	  if (version.value.endsWith("SNAPSHOT")) Some("snapshots" at base + "snapshots")
-	  else                                    Some("releases"  at base + "releases")
-	},
-	credentials += Credentials(Path.userHome / ".sbt" / ".iw-credentials")
-))
+inThisBuild(
+  List(
+    publishTo := {
+      val base = "https://dig.iterative.works/maven/"
+      if (version.value.endsWith("SNAPSHOT"))
+        Some("snapshots" at base + "snapshots")
+      else Some("releases" at base + "releases")
+    },
+    credentials += Credentials(Path.userHome / ".sbt" / ".iw-credentials")
+  )
+)
 
 lazy val `sbt-iw-plugin-presets` = (project in file("sbt-iw-plugin-presets"))
   .enablePlugins(SbtPlugin, BuildInfoPlugin)
@@ -44,7 +47,8 @@
     addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.9.28"),
     addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.0.0"),
     addSbtPlugin("io.github.cquiroz" % "sbt-tzdb" % "3.0.0"),
-    addSbtPlugin("io.github.cquiroz" % "sbt-locales" % "3.2.0")
+    addSbtPlugin("io.github.cquiroz" % "sbt-locales" % "3.2.0"),
+    addSbtPlugin("io.github.davidgregory084" % "sbt-tpolecat" % "0.4.1")
   )
 
 lazy val `iw-project-support` = (project in file("."))

diff --git a/build.sbt b/build.sbt
index 731e2f9..ca80d75 100644
--- a/build.sbt
+++ b/build.sbt
@@ -3,14 +3,17 @@
 ThisBuild / organization := "works.iterative"
 ThisBuild / versionScheme := Some("strict")
 
-inThisBuild(List(
-	publishTo := {
-	  val base = "https://dig.iterative.works/maven/"
-	  if (version.value.endsWith("SNAPSHOT")) Some("snapshots" at base + "snapshots")
-	  else                                    Some("releases"  at base + "releases")
-	},
-	credentials += Credentials(Path.userHome / ".sbt" / ".iw-credentials")
-))
+inThisBuild(
+  List(
+    publishTo := {
+      val base = "https://dig.iterative.works/maven/"
+      if (version.value.endsWith("SNAPSHOT"))
+        Some("snapshots" at base + "snapshots")
+      else Some("releases" at base + "releases")
+    },
+    credentials += Credentials(Path.userHome / ".sbt" / ".iw-credentials")
+  )
+)
 
 lazy val `sbt-iw-plugin-presets` = (project in file("sbt-iw-plugin-presets"))
   .enablePlugins(SbtPlugin, BuildInfoPlugin)
@@ -44,7 +47,8 @@
     addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.9.28"),
     addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.0.0"),
     addSbtPlugin("io.github.cquiroz" % "sbt-tzdb" % "3.0.0"),
-    addSbtPlugin("io.github.cquiroz" % "sbt-locales" % "3.2.0")
+    addSbtPlugin("io.github.cquiroz" % "sbt-locales" % "3.2.0"),
+    addSbtPlugin("io.github.davidgregory084" % "sbt-tpolecat" % "0.4.1")
   )
 
 lazy val `iw-project-support` = (project in file("."))
diff --git a/sbt-iw-projects/src/main/scala/works/iterative/sbt/IWMaterialsPlugin.scala b/sbt-iw-projects/src/main/scala/works/iterative/sbt/IWMaterialsPlugin.scala
index e7dfa95..b69ca40 100644
--- a/sbt-iw-projects/src/main/scala/works/iterative/sbt/IWMaterialsPlugin.scala
+++ b/sbt-iw-projects/src/main/scala/works/iterative/sbt/IWMaterialsPlugin.scala
@@ -197,6 +197,9 @@
       .settings(
         addScalaJavaTime,
         addScalaJavaLocales,
+        // Newer tzdata break the plugin because of format changes
+        // Remove when fixed https://github.com/cquiroz/sbt-tzdb/issues/186
+        dbVersion := TzdbPlugin.Version("2022a"),
         localesFilter := locales.LocalesFilter
           .Selection("en-US", "en", "cs-CZ", "cs"),
         currencyFilter := locales.CurrencyFilter.Selection(

diff --git a/build.sbt b/build.sbt
index 731e2f9..ca80d75 100644
--- a/build.sbt
+++ b/build.sbt
@@ -3,14 +3,17 @@
 ThisBuild / organization := "works.iterative"
 ThisBuild / versionScheme := Some("strict")
 
-inThisBuild(List(
-	publishTo := {
-	  val base = "https://dig.iterative.works/maven/"
-	  if (version.value.endsWith("SNAPSHOT")) Some("snapshots" at base + "snapshots")
-	  else                                    Some("releases"  at base + "releases")
-	},
-	credentials += Credentials(Path.userHome / ".sbt" / ".iw-credentials")
-))
+inThisBuild(
+  List(
+    publishTo := {
+      val base = "https://dig.iterative.works/maven/"
+      if (version.value.endsWith("SNAPSHOT"))
+        Some("snapshots" at base + "snapshots")
+      else Some("releases" at base + "releases")
+    },
+    credentials += Credentials(Path.userHome / ".sbt" / ".iw-credentials")
+  )
+)
 
 lazy val `sbt-iw-plugin-presets` = (project in file("sbt-iw-plugin-presets"))
   .enablePlugins(SbtPlugin, BuildInfoPlugin)
@@ -44,7 +47,8 @@
     addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.9.28"),
     addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.0.0"),
     addSbtPlugin("io.github.cquiroz" % "sbt-tzdb" % "3.0.0"),
-    addSbtPlugin("io.github.cquiroz" % "sbt-locales" % "3.2.0")
+    addSbtPlugin("io.github.cquiroz" % "sbt-locales" % "3.2.0"),
+    addSbtPlugin("io.github.davidgregory084" % "sbt-tpolecat" % "0.4.1")
   )
 
 lazy val `iw-project-support` = (project in file("."))
diff --git a/sbt-iw-projects/src/main/scala/works/iterative/sbt/IWMaterialsPlugin.scala b/sbt-iw-projects/src/main/scala/works/iterative/sbt/IWMaterialsPlugin.scala
index e7dfa95..b69ca40 100644
--- a/sbt-iw-projects/src/main/scala/works/iterative/sbt/IWMaterialsPlugin.scala
+++ b/sbt-iw-projects/src/main/scala/works/iterative/sbt/IWMaterialsPlugin.scala
@@ -197,6 +197,9 @@
       .settings(
         addScalaJavaTime,
         addScalaJavaLocales,
+        // Newer tzdata break the plugin because of format changes
+        // Remove when fixed https://github.com/cquiroz/sbt-tzdb/issues/186
+        dbVersion := TzdbPlugin.Version("2022a"),
         localesFilter := locales.LocalesFilter
           .Selection("en-US", "en", "cs-CZ", "cs"),
         currencyFilter := locales.CurrencyFilter.Selection(
diff --git a/sbt-iw-projects/src/main/scala/works/iterative/sbt/TpolecatFixPlugin.scala b/sbt-iw-projects/src/main/scala/works/iterative/sbt/TpolecatFixPlugin.scala
new file mode 100644
index 0000000..17c89c8
--- /dev/null
+++ b/sbt-iw-projects/src/main/scala/works/iterative/sbt/TpolecatFixPlugin.scala
@@ -0,0 +1,17 @@
+package works.iterative.sbt
+
+import _root_.sbt._
+import _root_.sbt.Keys._
+import _root_.io.github.davidgregory084.TpolecatPlugin
+import org.scalajs.sbtplugin.ScalaJSPlugin
+
+// Fix tpolecat's options leaving out scalajs for Scala 3, see https://github.com/typelevel/sbt-tpolecat/issues/102
+object TpolecatFixPlugin extends AutoPlugin {
+  override def requires = TpolecatPlugin && ScalaJSPlugin
+  override def trigger = allRequirements
+  override def projectSettings = Seq(
+    scalacOptions ++= {
+      if (scalaVersion.value.startsWith("3")) Seq("-scalajs") else Seq.empty
+    }
+  )
+}